Add boot data support to rockbox.

Bootdata is a special location in the Firmware marked by a magic header
The bootloader is able to copy information to the firmware by locating
this struct and passing data to the firmware when it is loaded but
before it is actually executed

Data is verified by a crc of the bootdata


Change-Id: Ib3d78cc0c3a9d47d6fe73be4747a11b7ad6f0a9e

1 files changed, 9 insertions, 0 deletions

diff --git a/firmware/target/arm/imx233/crt0.S b/firmware/target/arm/imx233/crt0.S
index 5e1720c7c9..8db8400dbf 100644
--- a/firmware/target/arm/imx233/crt0.S
+++ b/firmware/target/arm/imx233/crt0.S
@@ -21,6 +21,10 @@
 #include "config.h"
 #include "cpu.h"
 
+#if defined(HAVE_BOOTDATA) && !defined(BOOTLOADER)
+#include "bootdata.h"
+#endif
+
 .section .vectors,"ax",%progbits
 .code 32
     /* most handlers are in DRAM which is too far away for a relative jump */
@@ -165,6 +169,11 @@ remap:
 1:
     b       1b
 
+#if defined(HAVE_BOOTDATA) && !defined(BOOTLOADER)
+/* boot data structure */
+put_boot_data_here
+#endif
+
 /* Cache-align interrupt stacks */
     .balign    32
 /* 256 words of IRQ stack */